Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.002423/0.002423, allocations: 88.06 kB / 20.21 MB, free: 4.211 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.002835/0.002835, allocations: 161.7 kB / 23.52 MB, free: 0.9023 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.687/1.687, allocations: 177.1 MB / 203.9 MB, free: 5.523 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 1.082/1.082, allocations: 114.9 MB / 375.2 MB, free: 7.625 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2") translateModel(IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.433e-06/1.433e-06, allocations: 0 / 480.8 MB, free: 11.92 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.791e-05/2.935e-05, allocations: 3.297 kB / 480.8 MB, free: 11.91 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2): time 0.002172/0.002201, allocations: 1.365 MB / 482.2 MB, free: 10.99 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.001112/0.003314, allocations: 0.8681 MB / 483 MB, free: 10.43 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 4.042e-05/0.003354, allocations: 0 / 483 MB, free: 10.43 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 2.455e-05/0.003379, allocations: 3.938 kB / 483 MB, free: 10.43 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 5.031e-05/0.003429, allocations: 14.39 kB / 483 MB, free: 10.41 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0006009/0.00403, allocations: 226 kB / 483.3 MB, free: 10.31 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.0001036/0.004133, allocations: 52.12 kB / 483.3 MB, free: 10.29 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 4.424e-05/0.004178, allocations: 1.938 kB / 483.3 MB, free: 10.29 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 5.722e-05/0.004235, allocations: 33.2 kB / 483.3 MB, free: 10.28 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 6.022e-05/0.004295, allocations: 19.64 kB / 483.4 MB, free: 10.27 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 1.801e-05/0.004313, allocations: 4.031 kB / 483.4 MB, free: 10.27 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0005641/0.004877, allocations: 376.7 kB / 483.7 MB, free: 10.21 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 2.347e-05/0.004901, allocations: 15.27 kB / 483.8 MB, free: 10.2 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 2.883e-05/0.004929, allocations: 16.61 kB / 483.8 MB, free: 10.19 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0004053/0.005335, allocations: 310.7 kB / 484.1 MB, free: 10.1 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.957e-06/0.005339, allocations: 1.094 kB / 484.1 MB, free: 10.1 MB / 410.7 MB Notification: Performance of FrontEnd: time 9.71e-07/0.00534, allocations: 0.9062 kB / 484.1 MB, free: 10.1 MB / 410.7 MB Notification: Performance of Transformations before backend: time 4.418e-06/0.005344, allocations: 3.938 kB / 484.1 MB, free: 10.09 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 7 * Number of variables: 7 Notification: Performance of Generate backend data structure: time 0.000454/0.005798, allocations: 360.4 kB / 484.4 MB, free: 9.758 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.159e-05/0.00584, allocations: 10.06 kB / 484.4 MB, free: 9.758 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002689/0.006109, allocations: 30.73 kB / 484.5 MB, free: 9.75 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 8.434e-05/0.006193, allocations: 107.1 kB / 484.6 MB, free: 9.625 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.756e-05/0.00621, allocations: 7.094 kB / 484.6 MB, free: 9.621 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 2.766e-05/0.006238, allocations: 8.578 kB / 484.6 MB, free: 9.617 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001982/0.006436, allocations: 112.3 kB / 484.7 MB, free: 9.516 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.336e-05/0.00645, allocations: 4.656 kB / 484.7 MB, free: 9.512 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.338e-05/0.006463, allocations: 3.375 kB / 484.7 MB, free: 9.512 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.678e-06/0.006473, allocations: 2.594 kB / 484.7 MB, free: 9.512 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001367/0.006609, allocations: 37.36 kB / 484.7 MB, free: 9.5 MB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.000141/0.00675, allocations: 132.7 kB / 484.9 MB, free: 9.359 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002257/0.006976, allocations: 75.48 kB / 485 MB, free: 9.32 MB / 410.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 8.496e-05/0.007061, allocations: 37.41 kB / 485 MB, free: 9.305 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 1.858e-05/0.00708, allocations: 1.531 kB / 485 MB, free: 9.305 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.08e-05/0.0071, allocations: 31.59 kB / 485 MB, free: 9.266 MB / 410.7 MB Notification: Performance of pre-optimization done (n=7): time 8.81e-07/0.007101, allocations: 0.9062 kB / 485 MB, free: 9.266 MB / 410.7 MB Warning: Some equations could not be differentiated for following variables having attribute stateSelect=StateSelect.prefer. They will be treated as if they had stateSelect=StateSelect.default ======================================== 1: m_flow Please use -d=bltdump for more information. Notification: Performance of matching and sorting (n=11): time 0.005458/0.01256, allocations: 0.9766 MB / 486 MB, free: 8.836 MB / 410.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.01e-05/0.01259, allocations: 52.81 kB / 486 MB, free: 8.773 MB / 410.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 8.281e-05/0.01267, allocations: 120.1 kB / 486.2 MB, free: 8.668 MB / 410.7 MB Notification: Performance of collectPreVariables (initialization): time 2.125e-05/0.01269, allocations: 26.77 kB / 486.2 MB, free: 8.637 MB / 410.7 MB Notification: Performance of collectInitialEqns (initialization): time 2.582e-05/0.01272, allocations: 95.22 kB / 486.3 MB, free: 8.543 MB / 410.7 MB Notification: Performance of collectInitialBindings (initialization): time 4.02e-05/0.01276, allocations: 35.92 kB / 486.3 MB, free: 8.516 MB / 410.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 8.61e-05/0.01285, allocations: 41.41 kB / 486.4 MB, free: 8.488 MB / 410.7 MB Notification: Performance of setup shared object (initialization): time 0.000278/0.01312, allocations: 325.5 kB / 486.7 MB, free: 24.17 MB / 426.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002592/0.01338, allocations: 84.66 kB / 486.8 MB, free: 24.14 MB / 426.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002223/0.0136, allocations: 89.73 kB / 486.8 MB, free: 24.11 MB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.000445/0.01405, allocations: 186 kB / 487 MB, free: 24.02 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.012e-06/0.01405, allocations: 0 / 487 MB, free: 24.02 MB / 426.7 MB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0005966/0.01465, allocations: 241.2 kB / 487.3 MB, free: 23.92 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.844e-05/0.01467, allocations: 11 kB / 487.3 MB, free: 23.91 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.752e-05/0.01468, allocations: 2.031 kB / 487.3 MB, free: 23.91 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.632e-05/0.01471, allocations: 2.531 kB / 487.3 MB, free: 23.91 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002973/0.01501, allocations: 36.41 kB / 487.3 MB, free: 23.91 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.342e-06/0.01501, allocations: 3.406 kB / 487.3 MB, free: 23.91 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000198/0.01521, allocations: 13.81 kB / 487.3 MB, free: 23.91 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.341e-05/0.01523, allocations: 6.734 kB / 487.3 MB, free: 23.91 MB / 426.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (14): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001126/0.01535, allocations: 113.1 kB / 487.5 MB, free: 23.79 MB / 426.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.524e-05/0.01539, allocations: 16.83 kB / 487.5 MB, free: 23.78 MB / 426.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.429e-05/0.01544, allocations: 13.47 kB / 487.5 MB, free: 23.76 MB / 426.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.006e-06/0.01544, allocations: 1.594 kB / 487.5 MB, free: 23.76 MB / 426.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.36e-06/0.01545, allocations: 0 / 487.5 MB, free: 23.76 MB / 426.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.329e-06/0.01545, allocations: 5.25 kB / 487.5 MB, free: 23.76 MB / 426.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008232/0.01627, allocations: 411.2 kB / 487.9 MB, free: 23.46 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.295e-06/0.01628, allocations: 0 / 487.9 MB, free: 23.46 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002861/0.01656, allocations: 31.92 kB / 487.9 MB, free: 23.46 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.028e-06/0.01657, allocations: 1.312 kB / 487.9 MB, free: 23.46 MB / 426.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.184e-05/0.01659, allocations: 8.609 kB / 487.9 MB, free: 23.46 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.455e-06/0.01659, allocations: 1.125 kB / 487.9 MB, free: 23.46 MB / 426.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.663e-06/0.01659, allocations: 0 / 487.9 MB, free: 23.46 MB / 426.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008641/0.01746, allocations: 379.4 kB / 488.3 MB, free: 23.24 MB / 426.7 MB Notification: Performance of postOpt removeConstants (simulation): time 1.278e-05/0.01747, allocations: 7.422 kB / 488.3 MB, free: 23.23 MB / 426.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.299e-05/0.0175, allocations: 5.281 kB / 488.3 MB, free: 23.23 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002271/0.01773, allocations: 12.19 kB / 488.3 MB, free: 23.23 MB / 426.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.402e-05/0.01777, allocations: 13.14 kB / 488.3 MB, free: 23.23 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.958e-05/0.01779, allocations: 7.281 kB / 488.3 MB, free: 23.22 MB / 426.7 MB Notification: Performance of sorting global known variables: time 7.274e-05/0.01786, allocations: 90.94 kB / 488.4 MB, free: 23.14 MB / 426.7 MB Notification: Performance of sort global known variables: time 9e-08/0.01786, allocations: 2.062 kB / 488.4 MB, free: 23.14 MB / 426.7 MB Notification: Performance of remove unused functions: time 0.0003286/0.01819, allocations: 38.16 kB / 488.5 MB, free: 23.14 MB / 426.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 2 (dp_comp,der_dp_comp) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (11): * Single equations (assignments): 11 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0002211/0.01841, allocations: 117 kB / 488.6 MB, free: 23.05 MB / 426.7 MB Notification: Performance of simCode: created initialization part: time 0.0005505/0.01896, allocations: 206.3 kB / 488.8 MB, free: 22.96 MB / 426.7 MB Notification: Performance of simCode: created event and clocks part: time 2.454e-06/0.01897, allocations: 0 / 488.8 MB, free: 22.96 MB / 426.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0002398/0.01921, allocations: 75.44 kB / 488.9 MB, free: 22.95 MB / 426.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003228/0.01953, allocations: 26.89 kB / 488.9 MB, free: 22.93 MB / 426.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001419/0.02095, allocations: 387.4 kB / 489.3 MB, free: 22.75 MB / 426.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 9.41e-05/0.02104, allocations: 80.55 kB / 489.3 MB, free: 22.68 MB / 426.7 MB Notification: Performance of simCode: alias equations: time 0.0001471/0.02119, allocations: 19.19 kB / 489.4 MB, free: 22.68 MB / 426.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.869e-05/0.02128, allocations: 20.94 kB / 489.4 MB, free: 22.67 MB / 426.7 MB Notification: Performance of SimCode: time 5.61e-07/0.02128, allocations: 0 / 489.4 MB, free: 22.67 MB / 426.7 MB Notification: Performance of Templates: time 0.005984/0.02726, allocations: 2.33 MB / 491.7 MB, free: 22.51 MB / 426.7 MB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2.sim & ./IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2 -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2.pipe 2>&1) [Timeout 480] (rm -f IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_cvode.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_cvode.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_cvode.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_cvode.sim & ./IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2 -abortSlowSimulation -alarm=480 -lv LOG_STATS -s cvode > IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_cvode.pipe 2>&1) [Timeout 480] (rm -f IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_gbode.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_gbode.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_gbode.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_gbode.sim & ./IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2 -abortSlowSimulation -alarm=480 -lv LOG_STATS -s gbode -gbm=radauIIA3 > IBPSA_latest_IBPSA.Fluid.BaseClasses.FlowModels.Validation.PowerLaw_m_flow_DerivativeCheck2_gbode.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 6.027194779017009]